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3 dni temu · Variance-standardization. By default, the sample covariance for each allele is divided by the variant's variance (calculated from observed, or loaded, allele frequencies). (As a consequence, it is critical to filter out very-low-MAF variants before performing the default computation.)
25 cze 2024 · --glm is PLINK 2.0's primary association analysis command. For quantitative phenotypes, --glm fits the linear model y = Gβ G + Xβ X + e. for every variant (one at a time), where y is the phenotype vector, G is the genotype/dosage matrix for the current variant, X is the fixed-covariate matrix, and e is
4 dni temu · CLUMPP software was used to generate a consolidated population (Q) matrix from the STRUCTURE runs for the best K value. Lines with probability of membership 0.6 were assigned to a subgroup. Pairwise genetic distances were calculated using the Powermarker V3.25 under the Nei (1983) model. PCA was performed using TASSEL on 7,926 SNP markers.
5 dni temu · We present the first combinatorial proof of the Graham-Pollak Formula for the determinant of the distance matrix of a tree, via sign-reversing involutions and the Lindström-Gessel-Viennot Lemma.
3 dni temu · Principal Coordinates Analysis (PCoA) is a statistical method that converts data on distances between items into a map-based visualization of those items. Unlike Principal Component Analysis (PCA), which is based on Euclidean distances, PCoA can handle any distance or similarity measure, making it more flexible for various types of data.
1 dzień temu · Abstract. The method of finding the values of asymptotic normalization coefficients (ANC) is proposed based on the analytic continuation of the \(R\)-matrix that describes the elastic nuclear scattering into the unphysical region of the negative energy of collision (\(E<0\)).The formula is derived, expressing the partial-wave scattering amplitude through the \(R\)-matrix and modified Coulomb ...
5 dni temu · CREx: distance matrix.How should the results from the new tables, where the diagonal is zero, be interpreted? Most of the literature I see follows the common intervals where a higher number is more similar as they share more common intervals.
